Cross-Section Asymmetries Around the $Z$ Peak

Details Cross-Section Asymmetries Around the $Z$ Peak Cross-Section Asymmetries Around the $Z$ Peak

1995-06-21

arxiv.org/abs/hep-ph/9506382v1

Phys.Lett. B293 (1992) 451-456

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages (LaTeX), 1 table, a uuencoded file containing the LaTeX file is available via anonymous ftp at //ftp.ifh.de/pub/prepri

Scientific paper

10.1016/0370-2693(92)90911-M

A simple model-independent formula for cross-section asymmetries $A$ in fermion-pair production is derived, which may be used for the analysis of LEP~1 data, $A = \sum_n A_n (s - M_Z^2)^n$. The coefficient $A_0$ depends on the $Z$ boson exchange, $A_1$ additionally on the $\gamma Z$ interference, while the higher-order contributions are practically redundant. QED corrections are taken into account, and relations to other approaches are indicated.

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